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	<META NAME="AUTHOR" CONTENT="Karina Kieling">
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<P STYLE="margin-bottom: 0cm; line-height: 150%"><B>&Aacute;RVORE
SINT&Aacute;TICA</B></P>
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<P CLASS="western" ALIGN=JUSTIFY STYLE="line-height: 150%">	Uma forma
visualmente mais clara de representar deriva&ccedil;&otilde;es &eacute;
atrav&eacute;s da utiliza&ccedil;&atilde;o de &aacute;rvores
sint&aacute;ticas. Elas mostram a estrutura hier&aacute;rquica de uma
deriva&ccedil;&atilde;o, expandindo as regras para suas defini&ccedil;&otilde;es
na gram&aacute;tica:</P>
<P CLASS="western">	&lt;E&gt; ::= &lt;T&gt; (&ldquo;+&rdquo; &lt;T&gt;
| &ldquo;-&rdquo;&lt;T&gt;)*;</P>
<P CLASS="western">	&lt;T&gt; ::= &lt;F&gt; (&ldquo;*&rdquo; &lt;F&gt;
| &ldquo;/&rdquo;&lt;F&gt;)*;</P>
<P CLASS="western">	&lt;F&gt; ::= num | &ldquo;(&ldquo; &lt;E&gt;
&ldquo;)&rdquo;;</P>
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<P CLASS="western"><IMG SRC="arvore%20sintatica_html_3e54eaec.png" NAME="figura5" ALIGN=BOTTOM WIDTH=471 HEIGHT=402 BORDER=0></P>
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<A HREF="Indice.html">Voltar &Iacute;ndice</A></P>
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